No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $1K — a different platform, not this one.

The Rusty Sword: Vanguard Island

The Rusty Sword: Vanguard Island is a short, top-down adventure game inspired by several 16-bit games you know and love. It features a small island overworld, a large non-linear dungeon, countless monsters to battle, classic art that takes you back through time, and a nostalgic soundtrack. In the game, you venture on a quest to find the hidden Vanguard Relic. Now includes a second island and dungeon, along with new enemies and equipment! FEATURES Non-linear adventure structure with multiple ways to get to most places. Simple, intuitive controls. Tons of secrets and Easter eggs. Designed around single-player, but even more fun with two-player co-op. Nostalgic graphics and music inspired by many 16-bit classics. Several display options, including widescreen and classic aspect ratios. Language support for English, Japanese, Korean, Spanish, French, Italian, German, Portuguese, Traditional Chinese, and Simplified Chinese.